The Operation Handbook (OPHB) for grid operation describes the processes of grid operation in connection with the operational planning and management of the Swiss transmission system. It provides operating instructions for employees who are responsible for the management of the Swiss transmission system.
The Operation Handbook is comprised of routines and supplements. The routines are arranged as shown in the following tables:
Main chapters of the Operation Handbook
Revision of the OPHB version 4.0 from OPHB version 3.0 in 2012
| Consultation | May – June 2012 |
| Revision | June – October 2012 |
| Consultation new version | October 2012 |
| Publication | December 2012 |
| Entry into force | 1st January 2013 |